/*
 * Copyright (c) Huawei Technologies Co., Ltd. 2025. All rights reserved.
 * You can use this software according to the terms and conditions of the Mulan PSL v2.
 * You may obtain a copy of Mulan PSL v2 at:
 *          http://license.coscl.org.cn/MulanPSL2
 * THIS SOFTWARE IS PROVIDED ON AN "AS IS" BASIS, WITHOUT WARRANTIES OF ANY KIND,
 * EITHER EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO NON-INFRINGEMENT,
 * MERCHANTABILITY OR FIT FOR A PARTICULAR PURPOSE.
 * See the Mulan PSL v2 for more details.
 */

#ifndef FLINK_TNEL_FIELDGETTER_H
#define FLINK_TNEL_FIELDGETTER_H

class RowData;

using getFieldByPosFn = void* (RowData::*)(int pos);

class FieldGetter {
public:
    FieldGetter(int fieldPos, getFieldByPosFn getFieldByPos);

    void* getFieldOrNull(RowData* row);

private:
    int fieldPos_;
    getFieldByPosFn getFieldByPos_;
};


#endif // FLINK_TNEL_FIELDGETTER_H
